Custom Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 55×205 mm, thickness 2 mm 📦#10279

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Download this 3D model in STL format of a round-to-rectangular adapter with an external diameter of ⌀125 mm and a rectangular section with internal dimensions 55×205 mm. The shell thickness is 2 mm and the total length is 299 mm.
Generation date: 2026-07-20
3D Model Round-to-Rectangular Tube Adapter STL 3D file ⌀125 mm to 55×205 mm, thickness 2 mm

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  • round-to-rectangular-adapter-d_model10279-nb0_dd{id}.stl : 1.1 Mo
STL Mesh quality : Linear deflection 0.0005 Angular deflection 0.05
No compliance warranty No compliance warranty
(Internal and private use, non-commercial – no distribution – no derivatives)
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Values for this model

This model was generated by the Round to rectangular adapter template, with the following values:
Parameter Value
#1 cylinder outer diameter 125 mm (≃4.92 in)
#2 cylinder inlet length 50 mm (≃1.97 in)
#3 rectangle internal length 55 mm (≃2.17 in)
#4 rectangle internal height 205 mm (≃8 1/16 in)
#5 rectangle inlet length 50 mm (≃1.97 in)
#6 offset Z 0 mm (0 in)
#7 offset Y 0 mm (0 in)
#8 total length 299 mm (≃11.77 in)
#9 thickness 2 mm (≃0.08 in)
#10 chamfer no chamfer
Metadata Value
Cylinder internal diameter 121 mm (≃4 3/4 in)
illustration of the parameters
Parameter overview

  • If the chamfer option on the ends is enabled, the chamfer length is equal to half the thickness.
  • The stop at the bottom of the rectangular section has a width equal to half the thickness.

Labels are used in the naming of the downloaded 3D files.

Parameter Label
#1 cylinder outer diameter diaC
#2 cylinder inlet length lentC
#3 rectangle internal length lenIR
#4 rectangle internal height heiIR
#5 rectangle inlet length lentR
#6 offset Z ofsZ
#7 offset Y ofsY
#8 total length lenT
#9 thickness thi
#10 chamfer cha

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Parameter Value Unit
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Parameter Value Unit
cylinder outer diameter 80 mm
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